* {
    padding: 0;
    margin: 0;
    text-decoration: none;
    /* 去掉超链接下划线 */
    list-style: none;
    /* 去掉li前实心圆 */
}

/* 头部开始 */
.head {
    width: 100%;
    height: 80px;
    background: linear-gradient(to left, #004ff9, #66CCFF);
    margin: auto;
    display: flex;
    justify-content: center;
    /* 居中对齐 */
}

/* 头像 */
.head-tx {
    display: flex;
    margin: auto;
    margin-left: 150px;
    width: 50px;
    height: 50px;
    background:url(../IMG/a.webp) no-repeat center;
    border-radius: 50%;
    /* 圆角 */
    /* background-image: url(../IMG/a.webp); */
    background-repeat: no-repeat;
    background-size: contain;
}



/* 名字 */
.head-mz {
    display: flex;
    margin: auto;
    margin-left: 10px;
    width: 150px;
    height: 50px;
    border:2px solid rgb(218, 220, 92);
    /* background-color: rgb(228, 221, 221); */
    border-radius: 5px;
}
.head-mz a{
    font-size: 1.5em;
    color: #23062c;
    /* text-align: center; */
    margin: auto;
}



/* 搜索框 */
.head-ssk {
    display: flex;
    margin: auto;
}



.shell {
    position: relative;
    width: 350px;
    height: 40px;
    background-color: #C0C0C0;
    border-radius: 20px;
    box-shadow: 0 1px 55px #C0C0C0, 0 0 0 2px#C0C0C0;
}

.shell input {
    width: 80%;
    height: 30px;
    margin-top: 4px;
    margin-left: 15px;
    color: #fff;
    border: 0;
    background-color: #f2f2f2;
    background-color: transparent;
}

input {
    outline: none;
    border: none;
}

.shell input::placeholder {
    color: #8f36367e;
    /* 给placeholder改颜色 */
}

.shell a {
    display: flex;
    position: absolute;
    width: 50px;
    height: 30px;
    /* background-color: #e3e6a9; */
    color: #f2f2f2;
    right: 1px;
    top: 5px;
}

.shell img {
    width: 30px;
    height: 30px;
}

/* 导航 */
.head-dhl {
    display: flex;
    margin-top: 15px;
    margin-right: 10px;
    text-align: center;
    width: 500px;
    height: 50px;
    /* background-color: #d0d48a; */
}

.head-dhl ul {
    text-align: center;
    /* 水平对齐 */
}

.head-dhl ul li {
    display: inline-block;
    position: relative;
    margin-left: 30px;
    transition: transform 0.3s, font-size 0.3s;
}

.head-dhl ul li a {
    display: block;
    padding: 10px 10px;
    color: rgb(21, 19, 82);
    text-decoration: none;
    font-size: 20px;
    font-weight: bold;
    text-align: center;
}

.head-dhl li:hover {
    transform: scale(1.1);
    font-size: 1.1rem;
}

/* ssk2 */

.head-ssk2 {
    display: flex;
    margin: auto;
    width: 350px;
}

.shell2 {
    position: relative;
    width: 350px;
    height: 40px;
    background-color: #C0C0C0;
    border-radius: 20px;
    box-shadow: 0 1px 55px #C0C0C0, 0 0 0 2px#C0C0C0;
}

.shell2 input {
    width: 80%;
    height: 30px;
    margin-top: 4px;
    margin-left: 15px;
    color: #fff;
    border: 0;
    background-color: #f2f2f2;
    background-color: transparent;
}

input {
    outline: none;
    border: none;
}

.shell2 input::placeholder {
    color: #8f36367e;
    /* 给placeholder改颜色 */
}

.shell2 a {
    display: flex;
    position: absolute;
    width: 50px;
    height: 30px;
    /* background-color: #e3e6a9; */
    color: #f2f2f2;
    right: 1px;
    top: 5px;
}

.shell2 img {
    width: 30px;
    height: 30px;
}

@media (max-width: 600px) {
    .head {
        height: 180px;
    }

    .head-tx {
        display: none;
    }

    .head-mz {
        display: none;
    }

    .head-ssk {
        display: none;
    }

    .head-ssk2 {
        /* background-color: aquamarine; */
        margin-top: 20px;
    }
    .head-dhl{
        margin-top: 30px;
    }
}

@media (min-width: 600px) {
    .head-ssk2 {
        display: none;
    }
}


/* 头部结束 */